In beta until the release of Chrome 61, 6.1 has a smaller binary, includes some significant performance improvements when iterating over maps and sets, and asm.js code is now transpiled to WebAssembly.

Multi-directional scrolling with a fixed header, paging, grouping and editing data in cells are just a few of the capabilities of the ExtReact grid. Try ExtReact for free to see how easy it is to add the grid and many other components into your apps.